Muten Roshi, also known as the Turtle Hermit or Master Roshi, is a pivotal character in the "Dragon Ball" series. Born in the year 430, he is renowned as the master of the Turtle School and one of Earth's most formidable martial artists. Throughout the series, Roshi has trained key figures such as Goku, Krillin, and Yamcha, imparting iconic techniques like the Kamehameha. Despite his elderly appearance and often humorous demeanor, he possesses exceptional strength and skills, demonstrated in various tournaments and battles. Beyond his role as a mentor, Roshi has been an active member of the Z Fighters, participating in Earth's defense against numerous threats. His longevity and wisdom make him a respected and beloved figure within the "Dragon Ball" universe.
Gohan, the firstborn son of Goku and Chi-Chi, is a central figure in the "Dragon Ball" series. Introduced during the "Saiyan Saga," his latent potential becomes evident when he confronts Raditz to protect his father. Trained initially by Piccolo, Gohan evolves from a timid child into a formidable warrior. His pivotal moment arises during the "Cell Saga," where he attains the Super Saiyan 2 transformation, defeating Cell and showcasing his immense power. Despite his combat prowess, Gohan aspires to be a scholar, balancing his academic pursuits with his responsibilities as a protector of Earth. In the "Majin Buu Saga," he adopts the Great Saiyaman persona to safeguard his identity while fighting crime. Later, he marries Videl, and they have a daughter named Pan. Throughout the series, Gohan's journey reflects his struggle to harmonize his inherent strength with his personal aspirations.